Fall Preview: Kristen Stewart, Joaquin Phoenix & 8 Other Stars With Something To Prove (PHOTOS)

09/02/2012 10:33 am ET

With summer unofficially officially over, it's time to focus on the important things: Fall movies and potential break-out stars! Last year at this time, Ryan Gosling was just that ridiculously handsome guy from "The Notebook" and "Crazy, Stupid Love." After performances in the fall releases "Drive" and "Ides Of March," however, he became one of the most talked about actors in Hollywood. Michael Fassbender and Jessica Chastain followed similar paths, as did veteran performers like Sandra Bullock and Matthew Lillard (yes, that Matthew Lillard).

So! Which actors and actresses will become the new Goslings and Chastains this fall? Ahead, HuffPost Entertainment looks at ten stars with something to prove over the next four months.

10 Stars To Watch This Fall

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